Anker USB 3.0 7-Port Hub with 1 BC 1.2 Charging Port up to 5V 1.5A, 12V 3A Power Adapter Included Compact palm-sized grip (4.3  1.7  0.9in) and lightweight design (2.9oz). Easily add 7 USB 3.0 SuperSpeed ports to your PC and enjoy data transfer rates of up to 5Gbps for faster sync times. Backward compatible with USB 2.0 / 1.1. 7th data port also delivers BC 1.2 charging speeds of up to 2 amps, while the other 6 ports charge at speeds of up to 0.9A each, with 6 amps overall among 7 ports. High-grade chipset and 36 watt adapter guarantee steady operation. Supports plug-and-play and hot-swapping. No installation of drivers required for Windows XP / Vista / 7 / 8 / 10 or Mac OS X 10.2 and above. Package contents: Anker USB 3.0 7-Port Hub, 12V / 3A power adapter, 2.7-foot USB 3.0 cable, welcome guide, 18-month hassle-free warranty.